index.js

var fs = require('fs');
var path = require('path');
var extract_code = require('./extract_code');
var mk_pdf = require('./mk_pdf');

// Set base path
var project_path = path.resolve(process.argv[1], '../../../');
var local_path = __dirname;
var script_filename = path.basename(__filename);

// get CLI arguments
if (process.argv.length <= 2) {
  console.log('Usage: ' + project_path + '/' + script_filename + ' path/to/directory');
  process.exit(-1);
}
var args_array = [];
for( var i = 2; true; i++ ){
  var input = process.argv[i];
  if( input === undefined ){break;}
  args_array.push(input);
}
project_path = path.join(project_path, args_array[0]);


var source = 'source';
var documents = 'documents';
var helpers = 'helpers';
var code = 'code';

// file names
var input_path = path.join(project_path, source);
console.log('Processing: ' + input_path);
fs.readdir(input_path, function(err, file_list){
  for (var i=0; i<file_list.length; i++){

    var input_md_filename = file_list[i];
    var project_name = input_md_filename.split('.')[0];
    var output_code_filename = args_array[1] || project_name+'.js' ;

    console.log('* ' + input_md_filename);

    //*
    // file paths

    var input_md_path =                 path.join(project_path, source, input_md_filename);
    var input_code_pre_path =           path.join(project_path, helpers, output_code_filename+'.pre');
    var input_code_post_path =          path.join(project_path, helpers, output_code_filename+'.post');
    var output_code_path =              path.join(project_path, code, output_code_filename);
    var output_source_pdf_path =        path.join(project_path, documents, project_name+'.pdf');
    var output_standard_document_path = path.join(project_path, documents, project_name+'_standard.md');
    var output_standard_pdf_path =      path.join(project_path, documents, project_name+'_standard.pdf');

    var output_css_path = path.join(local_path, 'style.css');

    // read markdown string
    var input_string = fs.readFileSync(input_md_path, {encoding: 'utf8'});

    // extract and write code string
    var extract_code_output_obj = extract_code(input_string);
    var code_string = extract_code_output_obj.code_string;
    var input_string_pre = fs.readFileSync( input_code_pre_path, {encoding: 'utf8'}) || '';
    var input_string_post = fs.readFileSync( input_code_post_path, {encoding: 'utf8'}) || '';
    code_string = input_string_pre + code_string + input_string_post;
    fs.writeFileSync(output_code_path, code_string, {encoding: 'utf8'});

    var standard_document_string = extract_code_output_obj.standard_document_string;
    fs.writeFileSync(output_standard_document_path, standard_document_string, {encoding: 'utf8'});

    // write pdf
    mk_pdf(input_md_path, output_source_pdf_path, output_css_path);
    mk_pdf(output_standard_document_path, output_standard_pdf_path, output_css_path);

    //*/
  }
});